Home / 12,104,344.80-18,177,512.40-6,435,640.80

Finding the Fourth Proportional to 12,104,344.80, 18,177,512.40 and 6,435,640.80

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Solution

The fourth proportional to 12,104,344.80, 18,177,512.40 and 6,435,640.80 is: 9,664,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,344.80 : 18,177,512.40 = 6,435,640.80 : x
  2. Step 2: Convert to fraction form
    12,104,344.80/18,177,512.40 = 6,435,640.80/x
  3. Step 3: Cross multiply
    12,104,344.80x = 18,177,512.40 × 6,435,640.80
  4. Step 4: Simplify right side
    12,104,344.80x = 116,983,940,443,945.91
  5. Step 5: Solve for x
    x = 116,983,940,443,945.91/12,104,344.80
  6. Step 6: Final answer
    x = 9,664,623.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.